Passageway resistant to capillary transport

Details Passageway resistant to capillary transport Passageway resistant to capillary transport

1982-03-19

1984-07-31

Price, William

Baths, closets, sinks, and spittoons

Disinfection

Dispensing to air from closet

4223, 4227, 229 31, E03D 903

Patent

active

044621213

ABSTRACT:
A passageway resistant to capillary transport and which is defined by a circumscribing wall made of heat sealable plastic sheets which are joined along longitudinally extending fin-type heat seals. The joints each have a fillet section which is in intimate contact with the wall along portions contiguous the heat seals and which fills the capillary channels therebetween. The fillets are made of a material which will not be displaced by a liquid which contacts the passageway in use.

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patent: 4208747 (1980-06-01), Dirksing
patent: 4305162 (1981-12-01), Cornelisse
patent: 4307474 (1981-12-01), Choy

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